Model : Iball i630MV Headset

Features
Crystal clear sound
Microphone built inside volume controller
Can be used with PC, Laptop, DVD, Music System, FM Radio, MP3/MP4 Players etc.
Can be used for Audio & Video chatting

Headphone Driver Unit : 40 mm driver unit

Headphone Frequency Response : 20Hz~20,000Hz

Headphone Sensitivity : 103dB S.P.L at 1KHz

Headphone Impedance : 32 ohms

Microphone Driver Unit : 6.5 mm driver unit

Microphone Frequency Response : 30Hz~16,000Hz

Microphone Sensitivity : -58dB +/- 3dB

Output Power : 100mW

Controls :  Volume control

Input/Output Plugs : 3.5mm stereo plugs

Warranty : One Year Manufacturers Warranty.